LT1021DCN8-10 Datasheet, PDF (6/16 Pages) Linear Dimensions Semiconductor – Precision Reference

LT1021
TYPICAL PERFOR A CE CHARACTERISTICS
Quiescent Current LT1021-5
1.8
I_OUT = 0
1.6
1.4
1.2
T_J = – 55°C
1.0
T_J = 25°C
0.8
T_J = 125°C
0.6
0.4
0.2
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
LT1021 G10
Load Transient Response
LT1021-5, C_LOAD = 0
I_SOURCE = 0
I_SINK = 0
50mV
50mV
I_SOURCE = 0.5mA
I_SOURCE = 2-10mA
I_SINK = 0.2mA
I_SINK = 2-10mA
∆I_SOURCE = 100µA_P-P ∆I_SINK = 100µA_P-P
0 12 34 012 34
TIME (µs)
LT1021 G13
Output Voltage Temperature
Drift LT1021-7
7.003
7.002
7.001
7.000
6.999
6.998
6.997
– 50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
LT1021 G16
6
Sink Mode* Current Limit
LT1021-5
60
V_IN = 8V
50
40
30
20
10
0
0 2 4 6 8 10 12 14 16 18
OUTPUT VOLTAGE (V)
*NOTE THAT AN INPUT VOLTAGE IS REQUIRED
FOR 5V UNITS.
LT1021 G11
Load Transient Response
LT1021-5, C_LOAD = 1000pF
I_SOURCE = 0
I_SINK = 0
20mV
20mV
I_SOURCE = 0.2mA
I_SOURCE = 2-10mA
I_SINK = 0.2mA
I_SINK = 2-10mA
∆I_SOURCE = 100µA_P-P ∆I_SINK = 100µA_P-P
0 5 10 15 20 0 5 10 15 20
TIME (µs)
LT1021 G14
Load Regulation
LT1021-7, LT1021-10
5
V_IN = 12V
4
3
2
1
0
–1
–2
–3
–4
–5
–10 – 8 – 6 – 4 – 2 0 2 4 6 8 10
SOURCING
SINKING
OUTPUT CURRENT (mA) LT1021 G17
Thermal Regulation LT1021-5
V_IN = 25V
∆POWER = 200mW
0
LOAD
REGULATION
– 0.5
– 1.0
THERMAL
REGULATION
I_LOAD = 10mA
0 20 40 60 80 100 120 140
TIME (ms)
LT1021 G12
Output Noise 0.1Hz to 10Hz
LT1021-5
FILTERING = 1 ZERO AT 0.1Hz
2 POLES AT 10Hz
5µV (1ppm)
01
2
3
4
TIME (MINUTES)
56
LT1021 G15
Quiescent Current LT1021-7
1.8
I_OUT = 0
1.6
1.4
1.2
1.0
T_J = – 55°C
0.8
T_J = 25°C
0.6
T_J = 125°C
0.4
0.2
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
LT1021 G18
1021fc